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  2. Map–territory relation - Wikipedia

    en.wikipedia.org/wiki/Mapterritory_relation

    The mapterritory relation is the relationship between an object and a representation of that object, as in the relation between a geographical territory and a map of it. Mistaking the map for the territory is a logical fallacy that occurs when someone confuses the semantics of a term with what it represents.

  3. List of spatial analysis software - Wikipedia

    en.wikipedia.org/wiki/List_of_spatial_analysis...

    Ease of use, AI feedback, Territory Mapping Proprietary Mapcite Yes for Excel addin Linux, Windows, Unix, iOS, Android, Windows Phone: Mapcite Ltd - London and Sydney www.mapcite.com Geospatial data analytics, location data sets, geocoding Ease of aggregation and harmonisation of disparate data sets to expose insights and create new data ...

  4. Bonini's paradox - Wikipedia

    en.wikipedia.org/wiki/Bonini's_paradox

    Bonini's paradox can be seen as a case of the mapterritory relation: simpler maps are less accurate though more useful representations of the territory.An extreme form is given in the fictional stories Sylvie and Bruno Concluded and "On Exactitude in Science", which imagine a map of a scale of 1:1 (the same size as the territory), which is precise but unusable, illustrating one extreme of ...

  5. Choropleth map - Wikipedia

    en.wikipedia.org/wiki/Choropleth_map

    Rather, they tell different aspects of a geographic narrative. For example, a choropleth map of the population density of the Latino population in Texas visualizes a narrative about the spatial clustering and distribution of that group, while a map of the percent Latino visualizes a narrative of composition and predominance.

  6. Geospatial topology - Wikipedia

    en.wikipedia.org/wiki/Geospatial_topology

    For example, the fact that two regions overlap or that one contains the other are examples of topological relationships. It is thus the application of the mathematics of topology to GIS, and is distinct from, but complementary to the many aspects of geographic information that are based on quantitative spatial measurements through coordinate ...

  7. Cartogram - Wikipedia

    en.wikipedia.org/wiki/Cartogram

    A cartogram (also called a value-area map or an anamorphic map, the latter common among German-speakers) is a thematic map of a set of features (countries, provinces, etc.), in which their geographic size is altered to be directly proportional to a selected variable, such as travel time, population, or gross national income. Geographic space ...

  8. Poincaré plot - Wikipedia

    en.wikipedia.org/wiki/Poincaré_plot

    An RR tachograph is a graph of the numerical value of the RR-interval versus time. In the context of RR tachography, a Poincaré plot is a graph of RR(n) on the x-axis versus RR(n + 1) (the succeeding RR interval) on the y-axis, i.e. one takes a sequence of intervals and plots each interval against the following interval. [3]

  9. Dijkstra's algorithm - Wikipedia

    en.wikipedia.org/wiki/Dijkstra's_algorithm

    For example, if both r and source connect to target and they lie on different shortest paths through target (because the edge cost is the same in both cases), then both r and source are added to prev[target]. When the algorithm completes, prev[] data structure describes a graph that is a subset of the original graph with some edges removed. Its ...